it was center of governmental inquestion knewty and energy in washington. and he was considered the most powerful democrat in the country. they called him the second most powerful man in the country second only to president eisenhower. kennedy had been a congregation staffer. for the last two years he had been running his brother's presidential campaign. c-span: you say he worked for joseph mccarthy, why? >> guest: well, he left -- he believed that something had to be done about the communist conspiracy in the country, and mccarthy was the only person doing it. and, you know, considering a large part of the book, is how bobby kennedy changed. it's an evolution. he sayings to somebody all that happened was i got older. i don't think that is all that happened. he changed as a human being in too something by the end of the book, you see something different. when he was a young prosecutor for first mccarthy's and john's committee, liberals called him a -- if you see newsreels of him, questioning witnesses in this way, you know, not giving them a chance to answe